Surveys

Survey operations 100001Z to 202359Z dec by M/V rs macae in 22-08.25S 040-09.52W

Western South Atlantic · Brazil · HYDROLANT 3153/22

issued
2022-12-08 13:16Z
status
cancelled 2022-12-21 01:00Z (archive)
self-cancels
2022-12-21 01:00Z
authority
NAVAREA V COASTAL 869/22 081144Z DEC 22.
sea
South Atlantic Ocean
position
-22.137, -40.159
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. SURVEY OPERATIONS 100001Z TO 202359Z DEC
   BY M/V RS MACAE IN 22-08.25S 040-09.52W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 210100Z DEC 22.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2022-12-10 00:01Z2022-12-20 23:59Z263 h 58

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

733 within 180 nm since 2000 · 15 in the last 12 months · 15 in force now

00
05
10
15
20
25
26

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

86 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.